FreqTweak explained

FreqTweak
Developer:	FreqTweak team
Latest Release Version:	0.7.2
Latest Preview Version:	? scr-only^[1]
Programming Language:	C++
Operating System:	Linux
Genre:	Audio software
License:	GPL
Website:	http://freqtweak.sourceforge.net/

FreqTweak^[2] ^[3] ^[4] ^[5] is an open-source^[6] tool for real-time audio spectral manipulation and display. It is free software, available under the GNU General Public License. FreqTweak can (and is supposed to) be connected to other audio software using the JACK Audio Connection Kit.

Description

FreqTweak is FFT-based, and supports up to four channels. An FFT analysis is applied to each audio channel, and every individual frequency band can have a different effect applied to it. In version 0.6.1 the following effects are available:

EQ cut/boost
Pitch scaling
Gate
Compressor
Delay
Limit
Warp

References

Web site: FreqTweak project's page at Sourceforge. 19 November 2011.
Book: Entwicklung eines nativen Programms unter Unix zur synchronen Visualisierung von Audiosignalen im Spektralbereich. Werner, Niklas. 61. GRIN Verlag. 2007. 978-3-638-70202-7. de.
Web site: Acoustic Feedback Cancellation For Public Address Systems. Berdahl, Edgar. 8. August 25, 2005. ccrma.stanford.edu, technical report.
Web site: An Embedded Middleware for Component-Based Software Development and the Development Environment . Guo, Yu-Hung . 73–74, 89–91 . June 2007 . National Cheng Kung University, Taiwan, Master's thesis . zh . 2009-09-14 . https://web.archive.org/web/20110815202945/http://etdncku.lib.ncku.edu.tw/ETD-db/ETD-search/getfile?URN=etd-0908107-224118&filename=etd-0908107-224118.pdf . 2011-08-15 . dead.
Where Are We Going And Why Aren't We There Yet?. Phillips . Dave. 3rd International Linux Audio Conference (LAC2005). 148. April 2005. Zentrum fur Kunst und Medientechnologie. 10.1.1.126.8960. Karlsruhe, Germany.
Web site: FreqTweak Open-Source Project. SourceForge.